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Finding the Fourth Proportional to 473,241.78, 653,068.71 and 258,381.18

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Solution

The fourth proportional to 473,241.78, 653,068.71 and 258,381.18 is: 356,563.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,241.78 : 653,068.71 = 258,381.18 : x
  2. Step 2: Convert to fraction form
    473,241.78/653,068.71 = 258,381.18/x
  3. Step 3: Cross multiply
    473,241.78x = 653,068.71 × 258,381.18
  4. Step 4: Simplify right side
    473,241.78x = 168,740,663,910.88
  5. Step 5: Solve for x
    x = 168,740,663,910.88/473,241.78
  6. Step 6: Final answer
    x = 356,563.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.